J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Shandong Xiya Chemical Co., Ltd
Telephone4009903999 13355009207
Websitehttp://www.xiyashiji.com
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Shanghai GL Peptide Ltd.
Telephone+86-21-61263340; 17609490614 13764994101
Websitehttps://www.chemicalbook.com/supplier/10480342/
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20)
Websitehttp://www.onochem.com
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
Gill polypeptide biopharmaceutical (dalian) co., LTD
Telephone021-61263455 13167021076
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList295114/0.htm
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/